Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc power management changes from Olof Johansson:
 "Power management changes here are mostly for the omap platform, but
  also include cpuidle changes for ux500 and suspend/resume code for
  mmp."

* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
  ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
  ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
  ARM: OMAP4: hwmod data: I2C: add flag for context restore
  ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
  ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
  ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
  ARM: OMAP2+: HDQ1W: add custom reset function
  ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
  arm: omap3: clockdomain data: Remove superfluous commas from gfx_sgx_3xxx_wkdeps[]
  ARM: OMAP2+: powerdomain: Get rid off duplicate pwrdm_clkdm_state_switch() API
  ARM: OMAP3: clock data: add clockdomain for HDQ functional clock
  ARM: OMAP3+: dpll: Configure autoidle mode only if it's supported
  ARM: OMAP2+: dmtimer: cleanup iclk usage
  ARM: OMAP4+: Add prm and cm base init function.
  ARM: OMAP2/3: Add idle_st bits for ST_32KSYNC timer to prcm-common header
  ARM: OMAP3: Fix CM register bit masks
  ARM: OMAP: clock: convert AM3517/3505 detection/flags to AM35xx
  ARM: OMAP3: clock data: treat all AM35x devices the same
  ...

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/mm/proc-mohawk.S b/arch/arm/mm/proc-mohawk.S
index b0475468c711..fbb2124a547d 100644
--- a/arch/arm/mm/proc-mohawk.S
+++ b/arch/arm/mm/proc-mohawk.S
@@ -345,6 +345,41 @@ ENTRY(cpu_mohawk_set_pte_ext)
         mcr     p15, 0, r0, c7, c10, 4          @ drain WB
         mov     pc, lr
 
+.globl  cpu_mohawk_suspend_size
+.equ    cpu_mohawk_suspend_size, 4 * 6
+#ifdef CONFIG_PM_SLEEP
+ENTRY(cpu_mohawk_do_suspend)
+        stmfd   sp!, {r4 - r9, lr}
+        mrc     p14, 0, r4, c6, c0, 0   @ clock configuration, for turbo mode
+        mrc     p15, 0, r5, c15, c1, 0  @ CP access reg
+        mrc     p15, 0, r6, c13, c0, 0  @ PID
+        mrc     p15, 0, r7, c3, c0, 0   @ domain ID
+        mrc     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
+        mrc     p15, 0, r9, c1, c0, 0   @ control reg
+        bic     r4, r4, #2              @ clear frequency change bit
+        stmia   r0, {r4 - r9}           @ store cp regs
+        ldmia   sp!, {r4 - r9, pc}
+ENDPROC(cpu_mohawk_do_suspend)
+
+ENTRY(cpu_mohawk_do_resume)
+        ldmia   r0, {r4 - r9}           @ load cp regs
+        mov     ip, #0
+        mcr     p15, 0, ip, c7, c7, 0   @ invalidate I & D caches, BTB
+        mcr     p15, 0, ip, c7, c10, 4  @ drain write (&fill) buffer
+        mcr     p15, 0, ip, c7, c5, 4   @ flush prefetch buffer
+        mcr     p15, 0, ip, c8, c7, 0   @ invalidate I & D TLBs
+        mcr     p14, 0, r4, c6, c0, 0   @ clock configuration, turbo mode.
+        mcr     p15, 0, r5, c15, c1, 0  @ CP access reg
+        mcr     p15, 0, r6, c13, c0, 0  @ PID
+        mcr     p15, 0, r7, c3, c0, 0   @ domain ID
+        orr     r1, r1, #0x18           @ cache the page table in L2
+        mcr     p15, 0, r1, c2, c0, 0   @ translation table base addr
+        mcr     p15, 0, r8, c1, c0, 1   @ auxiliary control reg
+        mov     r0, r9                  @ control register
+        b       cpu_resume_mmu
+ENDPROC(cpu_mohawk_do_resume)
+#endif
+
         __CPUINIT
 
         .type   __mohawk_setup, #function